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学者姓名：范功端
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Abstract ：
Eutrophication in water bodies has caused harmful algal blooms (HABs) to occur worldwide, resulting in significant impacts on both the environment and human well-being. In this work, a Z -scheme Ag2MoO4/BiVO4 (AMB) photocatalyst with Ag as the charge transfer mediator was constructed by depositing Ag2MoO4 on BiVO4 through a simple in -situ generation method and characterized by various techniques. In addition, AMB-30% has the best photocatalytic performance, removing 99% of chlorophyll a within 3 h and performing well under different conditions. The physiological characteristics of algal cells were also investigated. The results showed that AMB-30% could not only destabilize the stability, membrane permeability and physiological function of algal cells, but also degrade the intracellular organic matter leaked out from the algal cells, effectively avoiding the secondary pollution of the water body while inactivating algae. Based on the identification of the active substance, the possible algal removal mechanism of Ag2MoO4/BiVO4 under the photocatalytic system was further proposed. Finally, the results of the five -cycle experiments and XRD characterization of AMB-30% demonstrated that it has great recyclability and stability, thus offering a favorable prospect in mitigating HABs.
Keyword ：
Ag2MoO4/BiVO4 Ag2MoO4/BiVO4 Mechanism Mechanism Microcystis aeruginosa Microcystis aeruginosa Photocatalysis Photocatalysis Visible light Visible light Z-scheme Z-scheme
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| GB/T 7714 | Fan, Gongduan , Hu, Kaiwei , Xia, Mingqian et al. Z-scheme Ag2MoO4/BiVO4 photocatalyst using Ag as charge transfer mediator: Performance optimization and Microcystis aeruginosa inactivation application [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2024 , 12 (2) . |
| MLA | Fan, Gongduan et al. "Z-scheme Ag2MoO4/BiVO4 photocatalyst using Ag as charge transfer mediator: Performance optimization and Microcystis aeruginosa inactivation application" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 12 . 2 (2024) . |
| APA | Fan, Gongduan , Hu, Kaiwei , Xia, Mingqian , Cai, Chenjian , He, Zhimin , Luo, Jing et al. Z-scheme Ag2MoO4/BiVO4 photocatalyst using Ag as charge transfer mediator: Performance optimization and Microcystis aeruginosa inactivation application . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2024 , 12 (2) . |
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Membrane electrochemical reactor (MER) shows superiority to electrochemical oxidation (EO) in high salinity organic wastewater (HSOW) treatment, but requirement of proton exchange membranes (PEM) increases investment and maintenance cost. In this work, the feasibility of using low-cost pressure-driven membranes as the separation membrane in MER system was systematically investigated. Commonly used pressure-driven membranes, including loose membranes such as microfiltration (MF) and ultrafiltration (UF), as well as dense membranes like nanofiltration (NF) and reverse osmosis (RO), were employed in the study. When tested in a contamination-free solution, MF and UF exhibited superior electrochemical performance compared to PEM, with comparable pH regulation capabilities in the short term. When foulant (humic acid, Ca2+ and Mg2+) presented in the feed, UF saved the most energy (43 %) compared to PEM with similar removal rate of UV254 (similar to 85 %). In practical applications of MER for treating nanofiltration concentrate (NC) of landfill leachate, UF saved 27 % energy compared to PEM per cycle with the least Ca2+ and Mg2+ retention in membrane and none obvious organics permeation. For fouled RO and PEM with ion transport impediment, water splitting was exacerbated, which decreased the percentage of oxidation for organics. Overall, replacing of PEM with UF significantly reduce the costs associated with both the investment and operation of MER, which is expected to broaden the practical application for treating HSOW.
Keyword ：
Energy consumption Energy consumption High salinity organic wastewater High salinity organic wastewater Membrane electrochemical reactor Membrane electrochemical reactor Pressure-driven membrane Pressure-driven membrane
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| GB/T 7714 | Yan, Zhongsen , Chen, Xiaolei , Chang, Haiqing et al. Feasibility of replacing proton exchange membranes with pressure-driven membranes in membrane electrochemical reactors for high salinity organic wastewater treatment [J]. | WATER RESEARCH , 2024 , 254 . |
| MLA | Yan, Zhongsen et al. "Feasibility of replacing proton exchange membranes with pressure-driven membranes in membrane electrochemical reactors for high salinity organic wastewater treatment" . | WATER RESEARCH 254 (2024) . |
| APA | Yan, Zhongsen , Chen, Xiaolei , Chang, Haiqing , Pang, Heliang , Fan, Gongduan , Xu, Kaiqin et al. Feasibility of replacing proton exchange membranes with pressure-driven membranes in membrane electrochemical reactors for high salinity organic wastewater treatment . | WATER RESEARCH , 2024 , 254 . |
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In recent years, photocatalytic technology has been increasingly used for the treatment of algal blooms in water bodies due to its high efficiency and environmental advantages. However, conventional semiconductor materials suffer from high electron-hole recombination rate, low carrier mobility and weak surface adsorption ability, which made their photocatalytic performance limited. Therefore, the photocatalytic performance of the composites can be improved by coupling another semiconductor material to form a heterojunction to accelerate electron transfer. In this study, a novel composite Ag3VO4/BiVO4 (ABV) photocatalyst was successfully prepared by in-situ deposition method for the photocatalytic inactivation of Microcystis aeruginosa (M. aeruginosa) under visible light. The photocatalyst showed excellent photocatalytic activity, and the degradation rate of M. aeruginosa chlorophyll a was up to 99.8% within 4 h under visible light. During the photocatalytic degradation, the morphology of algae cells, the permeability of cell membrane, the organic matter inside and outside the cells, the antioxidant system and the soluble protein were seriously damaged. Moreover, three cycle experiments showed that the prepared ABV photocatalyst had high reusability. Finally, a possible mechanism of M. aeruginosa inactivation was proposed. In general, the synthesized ABV photocatalyst can effectively inactivate cyanobacteria under visible light and provided a new method for M. aeruginosa removal in water. © 2023 Elsevier Ltd
Keyword ：
Bacteria Bacteria Cytology Cytology Degradation Degradation Electronic properties Electronic properties Environmental technology Environmental technology Heterojunctions Heterojunctions Hole mobility Hole mobility Morphology Morphology Photocatalytic activity Photocatalytic activity Photoelectrochemical cells Photoelectrochemical cells Reusability Reusability
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| GB/T 7714 | Fan, Gongduan , Lin, Qiuan , Lin, Jiuhong et al. Effective photocatalytic inactivation of Microcystis aeruginosa by Ag3VO4/BiVO4 heterojunction under visible light [J]. | Chemosphere , 2024 , 347 . |
| MLA | Fan, Gongduan et al. "Effective photocatalytic inactivation of Microcystis aeruginosa by Ag3VO4/BiVO4 heterojunction under visible light" . | Chemosphere 347 (2024) . |
| APA | Fan, Gongduan , Lin, Qiuan , Lin, Jiuhong , Xia, Mingqian , Chen, Shoubin , Luo, Jing et al. Effective photocatalytic inactivation of Microcystis aeruginosa by Ag3VO4/BiVO4 heterojunction under visible light . | Chemosphere , 2024 , 347 . |
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Photocatalysis has become an effective method to control harmful algal blooms, while conventional photocatalysts usually have high carrier recombination rates and low response to visible light. The coupling of the piezoelectric effect with photocatalysis is considered to be one of the most promising approaches to overcome the above inadequacies. In this study, the T-BaTiO3/Ag3PO4 (T-BTO/AP) with piezoelectricity was constructed and applied for the first time for the removal of M. aeruginosa under visible light with ultrasound. The experimental results showed that T-BTO/AP forms a built-in electric field under ultrasound, and the photogenerated carriers transfer path was transformed from the conventional type II to type Z, which changed the band structure of T-BTO/AP and greatly improved its catalytic efficiency. The T-BTO/AP-50 exhibited the best algae removal performance under visible light with ultrasound, and the removal rate of chlorophyll a could achieve 96.1 % within 4 h under the piezophotocatalyst dosage of 50 mg/L. Meanwhile, the photosynthetic system and cell membranes of M. aeruginosa were severely damaged under the continuous attack of center dot OH and center dot O-2(-). Furthermore, T-BTO/AP-50 still reached a 90 % degradation rate for chlorophyll a after five cycles of reused experiments, indicating its great reusability. Overall, this study provided a promising approach for algae removal.
Keyword ：
M. aeruginosa M. aeruginosa Piezophotocatalystic Piezophotocatalystic T-BaTiO3/Ag3PO4 T-BaTiO3/Ag3PO4 Ultrasound Ultrasound Visible light Visible light
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| GB/T 7714 | Fan, Gongduan , Zhang, Ling , Lin, Xin et al. Fabrication of heterostructured T-BaTiO3/Ag3PO4 for efficient piezophotocatalytic inactivation of M. aeruginosa under visible light with ultrasound [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 338 . |
| MLA | Fan, Gongduan et al. "Fabrication of heterostructured T-BaTiO3/Ag3PO4 for efficient piezophotocatalytic inactivation of M. aeruginosa under visible light with ultrasound" . | SEPARATION AND PURIFICATION TECHNOLOGY 338 (2024) . |
| APA | Fan, Gongduan , Zhang, Ling , Lin, Xin , Cao, Xingfeng , Li, Hao , Luo, Jing et al. Fabrication of heterostructured T-BaTiO3/Ag3PO4 for efficient piezophotocatalytic inactivation of M. aeruginosa under visible light with ultrasound . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 338 . |
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Economic development and urbanization naturally give rise to expanding demand for new buildings, whose construction and operation inevitably lead to significant increases in energy consumption and greenhouse gas emissions. To better conserve resources and protect the environment, technologies for green buildings have evolved significantly in the past two decades. In this study, a scientometric analysis of green buildings research from 2003 to 2023 was performed using CiteSpace. A total of 1986 articles retrieved from the Web of Science (WoS) core collection database were used as the data source for an in-depth analysis of research trends, hotspots, and future directions, showing changes in publication numbers, core journals, key countries, and institutions that have made remarkable contributions in this field. The results showed that the field of green buildings research is in a phase of rapid growth. The current research hotspots include the adoption of the green buildings paradigm, rating systems, energy performance, greenhouse gas emissions, indoor environmental quality, and green roofs/walls. Based on the keywords citation bursts and literature review, we believe that government promotion measures, use of renewable energy, integration with plants, and application of artificial intelligence (AI) in green buildings will be the most promising development directions in the future.
Keyword ：
CiteSpace CiteSpace development prospects development prospects green buildings green buildings research hotspots research hotspots visualization visualization
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| GB/T 7714 | Wang, Chongqing , Che, Yanhong , Xia, Mingqian et al. The Evolution and Future Directions of Green Buildings Research: A Scientometric Analysis [J]. | BUILDINGS , 2024 , 14 (2) . |
| MLA | Wang, Chongqing et al. "The Evolution and Future Directions of Green Buildings Research: A Scientometric Analysis" . | BUILDINGS 14 . 2 (2024) . |
| APA | Wang, Chongqing , Che, Yanhong , Xia, Mingqian , Lin, Chenghan , Chen, Yuqi , Li, Xi et al. The Evolution and Future Directions of Green Buildings Research: A Scientometric Analysis . | BUILDINGS , 2024 , 14 (2) . |
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A novel Ag 3 PO 4 /ZnWO 4 -modified graphite felt electrode (AZW@GF) was prepared by drop coating method and applied to photoelectrocatalytic removal of harmful algae. Results showed that approximately 99.21% of chlorophyll a and 91.57% of Microcystin-LR (MCLR) were degraded by the AZW@GF-Pt photoelectrocatalytic system under the optimal operating conditions with a rate constant of 0.02617 min -1 and 0.01416 min -1 , respectively. The calculated synergistic coefficient of photoelectrocatalytic algal removal and MC-LR degradation by the AZW@GF-Pt system was both larger than 1.9. In addition, the experiments of quenching experiments and electron spin resonance (ESR) revealed that the photoelectrocatalytic reaction mainly generated center dot OH and center dot O 2 - for algal removal and MC-LR degradation. Furthermore, the potential pathway for photoelectrocatalytic degradation of MC-LR was proposed. Finally, the photoelectrocatalytic cycle algae removal experiments were carried out on AZW@GF electrode, which was found to maintain the algae removal efficiency at about 91% after three cycles of use, indicating that the photoelectrocatalysis of AZW@GF electrode is an effective emergency algae removal technology.
Keyword ：
Graphite felt electrode Graphite felt electrode Harmful algae Harmful algae Inactivation mechanism Inactivation mechanism Photoelectrocatalysis Photoelectrocatalysis
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| GB/T 7714 | Cai, Chenjian , Fan, Gongduan , Cao, Xingfeng et al. Novel Ag3PO4/ZnWO4-modified graphite felt electrode for photoelectrocatalytic removal of harmful algae: Performance and mechanism [J]. | JOURNAL OF HAZARDOUS MATERIALS , 2024 , 470 . |
| MLA | Cai, Chenjian et al. "Novel Ag3PO4/ZnWO4-modified graphite felt electrode for photoelectrocatalytic removal of harmful algae: Performance and mechanism" . | JOURNAL OF HAZARDOUS MATERIALS 470 (2024) . |
| APA | Cai, Chenjian , Fan, Gongduan , Cao, Xingfeng , Luo, Jing , He, Zhimin , Wang, Shichang et al. Novel Ag3PO4/ZnWO4-modified graphite felt electrode for photoelectrocatalytic removal of harmful algae: Performance and mechanism . | JOURNAL OF HAZARDOUS MATERIALS , 2024 , 470 . |
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Sulfate radical-based advanced oxidation processes exhibit great potential for the degradation of organic pollutants. In this study, P-doped biochar (PBC500) was successfully synthesized by the pyrolysis of H3PO4-impregnated cow manure waste and was employed to activate peroxymonosulfate (PMS) for the elimination of 17β-estradiol (E2). The characterization results showed that the surface area, defective structure, and functional groups (C=O and phosphorus-containing groups) of biochar increased after H3PO4 modification. PBC500 exhibited high PMS activation activity and excellent E2 degradation capacity; 97.91% of 3 mg/L E2 can be removed within 90 min using 0.2 g/L PBC500 and 1 mM PMS. Based on the quenching experiments and X-ray photoelectron spectroscopy (XPS) analysis, defective structures, C=O, and P-C groups on biochar act as active sites to promote the catalytic oxidation of E2 by generating O2− and 1O2. In addition, PBC500 displayed excellent reusability, achieving 65.15% E2 degradation after three reuse cycles. Overall, this study presented a new technique that supports a high efficiency, environmentally friendly, and low cost treatment method for E2 wastewater and simultaneously provided a new option for the resource utilization of livestock waste. © 2024 by the authors.
Keyword ：
Catalytic oxidation Catalytic oxidation Chemical activation Chemical activation Doping (additives) Doping (additives) Fertilizers Fertilizers Manures Manures Organic pollutants Organic pollutants Phosphorus Phosphorus Reusability Reusability Sulfur compounds Sulfur compounds Wastewater treatment Wastewater treatment X ray photoelectron spectroscopy X ray photoelectron spectroscopy
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| GB/T 7714 | You, Wu , Fan, Gongduan , Zhou, Junhou et al. Activation of Peroxymonosulfate by P-Doped Cow Manure Biochar for Enhancing Degradation of 17β-Estradiol [J]. | Water (Switzerland) , 2024 , 16 (12) . |
| MLA | You, Wu et al. "Activation of Peroxymonosulfate by P-Doped Cow Manure Biochar for Enhancing Degradation of 17β-Estradiol" . | Water (Switzerland) 16 . 12 (2024) . |
| APA | You, Wu , Fan, Gongduan , Zhou, Junhou , Lin, Ruiyu , Cao, Xingfeng , Song, Yiqing et al. Activation of Peroxymonosulfate by P-Doped Cow Manure Biochar for Enhancing Degradation of 17β-Estradiol . | Water (Switzerland) , 2024 , 16 (12) . |
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Bioremediation has drawn widespread concern in passivating heavy metals, but the intense toxicity of heavy metals to biological cells limits the application of functional strains. Herein, goethite-modified biochar (GMB) was chosen as the carrier to immobilize phosphate-solubilizing bacteria (PSB) of strain L1 for lead and cadmium remediation. Batch experiments showed that the GMB-L1 possessed excellent adsorption performance with a maximum adsorption of 496.54 and 178.18 mg/g for Pb and Cd, respectively. Moreover, adding GMB-L1 in contaminated soil converted heavy metals (Pb and Cd) into more stable fractions and reduced TCLP-extracted heavy metal concentrations (73.24% of Pb and 57.25% of Cd). The GMB-L1 was proved to accomplish Pb and Cd remediation via the process of chemical precipitation, surface complexation, electrostatic attraction, and biomineralization, which was accompanied by the transformation of heavy metals into a more stable crystal structure, such as Pb5(PO4)3OH and Cd5(PO4)3OH. Therefore, the co-system of GMB and strain L1 could be regarded as a prospective option for efficiently remedying environmental heavy metal pollution. © 2024 by the authors.
Keyword ：
Bacteria Bacteria Biomineralization Biomineralization Bioremediation Bioremediation Cadmium Cadmium Cadmium compounds Cadmium compounds Crystal structure Crystal structure Lead compounds Lead compounds Precipitation (chemical) Precipitation (chemical) Soil pollution Soil pollution Strain Strain
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| GB/T 7714 | Fan, Gongduan , Zhou, Junhou , Cao, Xingfeng et al. Enhanced Remediation of Lead and Cadmium by the Co-System of Phosphate-Solubilizing Bacteria Immobilized on Goethite-Modified Biochar [J]. | Water (Switzerland) , 2024 , 16 (13) . |
| MLA | Fan, Gongduan et al. "Enhanced Remediation of Lead and Cadmium by the Co-System of Phosphate-Solubilizing Bacteria Immobilized on Goethite-Modified Biochar" . | Water (Switzerland) 16 . 13 (2024) . |
| APA | Fan, Gongduan , Zhou, Junhou , Cao, Xingfeng , You, Wu , Lin, Chen , Luo, Jing et al. Enhanced Remediation of Lead and Cadmium by the Co-System of Phosphate-Solubilizing Bacteria Immobilized on Goethite-Modified Biochar . | Water (Switzerland) , 2024 , 16 (13) . |
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Fouling of membranes continues to be a prominent challenge in the membrane distillation (MD) treatment of high salinity organic wastewater (HSOW). Although membrane electrochemical reactor (MER) can effectively inhibit the membrane fouling of MD, the high cost of the proton exchange membrane (PEM) used in MER limits its widespread application. In this study, cost-effective pressure-driven membranes were employed as a substitute for PEM to establish pressure-driven membrane electrochemical reactors for HSOW pre-treatment. By using ultrafiltration membrane (UFM) and reverse osmosis membrane (ROM), UFMER and ROMER were developed, respectively. Due to the superior electrochemical performance of UFM, UFMER saved 43 % of energy compared to PEMER with the highest removal rate of organics (~85 %) in the simulated HSOW treatment. In practical applications, using UFMER significantly reduced the amount and size of complexes in the real nanofiltration concentrate (NC) of landfill leachate. This contributed to the superior specific flux maintenance (97 %) with a salt rejection (>99 %) and the highest recovered specific water flux (99.6 %) in MD cases. UFMER reduced ~27 % of energy compared to PEMER in MER pre-treatment, and saved the most energy (~39.6 %) in MD post-treatment. Hence, this strategy is potential for forthcoming applications, notably in lowering the membrane cost of MER and energy consumption of both MER and MD. © 2024 Elsevier B.V.
Keyword ：
Cost effectiveness Cost effectiveness Distillation Distillation Energy utilization Energy utilization Leachate treatment Leachate treatment Membrane fouling Membrane fouling Membranes Membranes Proton exchange membrane fuel cells (PEMFC) Proton exchange membrane fuel cells (PEMFC) Reverse osmosis Reverse osmosis Wastewater treatment Wastewater treatment
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| GB/T 7714 | Chen, Xiaolei , Yan, Zhongsen , Chang, Haiqing et al. Enhancing membrane distillation efficiency in treating high salinity organic wastewater: A pressure-driven membrane electrochemical reactor approach [J]. | Desalination , 2024 , 582 . |
| MLA | Chen, Xiaolei et al. "Enhancing membrane distillation efficiency in treating high salinity organic wastewater: A pressure-driven membrane electrochemical reactor approach" . | Desalination 582 (2024) . |
| APA | Chen, Xiaolei , Yan, Zhongsen , Chang, Haiqing , Wang, Qiankun , Fan, Gongduan , Ye, Jinghan et al. Enhancing membrane distillation efficiency in treating high salinity organic wastewater: A pressure-driven membrane electrochemical reactor approach . | Desalination , 2024 , 582 . |
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Estrogens are widely detected in the environment and can strongly disrupt the endocrine systems of humans in extremely minute concentrations. Therefore, it is imperative to address possible 17β-estradiol (17β-E2) pollution and explore resourceful utilization methods from cow manure, which contains estrogen. In this study, cow manure biochar (CBC) was successfully prepared and used for the activation of peroxymonosulfate (PMS), attaining a 17β-E2 degradation rate exceeding 90 % within a mere 10 min. Optimal degradation performance was achieved at 2 mg/L 17β-E2 concentration, 2 mM PMS concentration, and 0.2 g/L CBC concentration. Furthermore, the influence of biochar-activated PMS on estrogen degradation was thoroughly explored under various environmental factors. The key reactive oxygen species were identified as [rad]O2– and 1O2 by conducting quenching experiments and delayed experiments. This study elucidated the occurrence of direct electron conduction and the generation of reactive oxygen species to degrade 17β-E2. Furthermore, the phenol group on the benzene ring and the hydroxyl group on the cyclopentane in 17β-E2 as the susceptible reaction sites during the degradation process were predicted using density functional theory (DFT). This study presents promising opportunities for the resourceful utilization of cattle manure and the mitigation of environmental pollution by endocrine disruptors. © 2024 Elsevier B.V.
Keyword ：
Biodegradation Biodegradation Chemical activation Chemical activation Degradation Degradation Density functional theory Density functional theory Fertilizers Fertilizers Group theory Group theory Manures Manures Oxygen Oxygen
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| GB/T 7714 | Fan, Gongduan , Lin, Chen , You, Wu et al. Cow manure biochar for activation of peroxymonosulfate to degrade 17β-estradiol: Performance and mechanism [J]. | Journal of Molecular Liquids , 2024 , 408 . |
| MLA | Fan, Gongduan et al. "Cow manure biochar for activation of peroxymonosulfate to degrade 17β-estradiol: Performance and mechanism" . | Journal of Molecular Liquids 408 (2024) . |
| APA | Fan, Gongduan , Lin, Chen , You, Wu , Song, Yiqing , Cao, Xingfeng , Luo, Jing et al. Cow manure biochar for activation of peroxymonosulfate to degrade 17β-estradiol: Performance and mechanism . | Journal of Molecular Liquids , 2024 , 408 . |
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